From owner-freebsd-hackers@FreeBSD.ORG Thu Feb 21 00:01:49 2013 Return-Path: Delivered-To: hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id C4A5DC5F for ; Thu, 21 Feb 2013 00:01:49 +0000 (UTC) (envelope-from doconnor@gsoft.com.au) Received: from cain.gsoft.com.au (cain.gsoft.com.au [203.31.81.10]) by mx1.freebsd.org (Postfix) with ESMTP id 4631A655 for ; Thu, 21 Feb 2013 00:01:49 +0000 (UTC) Received: from ur.gsoft.com.au (Ur.gsoft.com.au [203.31.81.55]) (authenticated bits=0) by cain.gsoft.com.au (8.14.4/8.14.3) with ESMTP id r1L01W6V001618 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NO); Thu, 21 Feb 2013 10:31:38 +1030 (CST) (envelope-from doconnor@gsoft.com.au) Subject: Re: IPMI console [Re: Chicken and egg, encrypted root FS on remote server] Mime-Version: 1.0 (Mac OS X Mail 6.2 \(1499\)) Content-Type: text/plain; charset=iso-8859-1 From: "Daniel O'Connor" X-Priority: 3 In-Reply-To: <1BC5F51A18464B83BA79890CC349128C@multiplay.co.uk> Date: Thu, 21 Feb 2013 10:31:32 +1030 Content-Transfer-Encoding: quoted-printable Message-Id: References: <20130220065810.GA25027@psconsult.nl> <20130220074655.GA59952@psconsult.nl> <20130220111339.GA65661@psconsult.nl> <8C2980B2-3B2C-4081-9287-39EFB47ABC3D@gsoft.com.au> <20130220203148.GA1803@psconsult.nl> <1BC5F51A18464B83BA79890CC349128C@multiplay.co.uk> To: "Steven Hartland" X-Mailer: Apple Mail (2.1499) X-Spam-Score: -3.051 () ALL_TRUSTED,BAYES_00,RP_MATCHES_RCVD X-Scanned-By: MIMEDefang 2.67 on 203.31.81.10 Cc: hackers@freebsd.org, Paul Schenkeveld X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Feb 2013 00:01:49 -0000 On 21/02/2013, at 9:06, "Steven Hartland" = wrote: >> If I change the console redirect to com1, my screen stays blank. = Would >> you perhaps know how to use com1 for redirect and connect to it using >> ipmi-console (or ipmi-tool)? >=20 > We use the following on Supermicro servers works fine:- > http://blog.multiplay.co.uk/2012/12/freebsd-serial-over-lan/ Nice! BTW do you know what flag 0x20 does for UART? 0x10 is documented but = 0x20 is not. I had a quick look at the code and AFAIK it doesn't do anything (on 9.1 = anyway). Actually at a guess I would say it's a hangover from sio(4) where 0x20 = forced the device in question to be the console. -- Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C